#fix1{
    position: relative;
}
#fix1 a i{
    background-image: url(../img/个人hover.png);
}
#fix1 a:nth-of-type(2){
    display: block;
    position: absolute;
    left: -80px;
    top: 18px;
    transform: none;
}
#fix2{
    position: relative;
}
#fix2 a i{
    background-image: url(../img/作业hover.png);
}
#fix2 a:nth-of-type(2){
    display: block;
    position: absolute;
    left: -80px;
    top: 18px;
    transform: none;
}
#fix3{
    position: relative;
}
#fix3 a i{
    background-image: url(../img/项目hover.png);
}
#fix3 a:nth-of-type(2){
    display: block;
    position: absolute;
    left: -80px;
    top: 18px;
    transform: none;
}